罪的,Methods dip 2% lidocaine or impede narcosis, use the acuity exonerative plane root slot cut endodontium,after drying overlay thin hydrochloride zinc and than using the zinc phosphate to mount.
方法
2%利多卡因浸润或阻滞麻醉,锐利挖器平根管口切断牙髓,拭干后氢氧化钙糊剂覆盖根髓断面,硬固后,覆薄层氧化锌粘固粉,磷酸锌粘固粉封洞。
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